Can crawl space temperature and moisture conditions be calculated with a whole-building hygrothermal simulation tool?

Lies Vanhoutteghem, Martin Morelli, Lars Schiøtt Sørensen

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Abstract

The hygrothermal behaviour of an outdoor ventilated crawl space with two different designs of the floor structure was investigated. The first design had 250 mm insulation and visible wooden beams towards the crawl space. The second design had 300 mm insulation and no visible wooden beams. One year of measurements was compared with simulations of temperature and moisture condition in the floor structure and crawl space. The measurements showed that the extra 50 mm insulation placed below the beams reduced moisture content in the beams below 20 weight% all year. A reasonable agreement between the measurements and simulations was found; however, the evaporation from the soil was a dominant parameter affecting the hygrothermal response in the crawl space and floor structure.
Original languageEnglish
JournalEnergy Procedia
Volume132
Pages (from-to)688-693
Number of pages6
ISSN1876-6102
DOIs
Publication statusPublished - 2017
Event11th Nordic Symposium on Building Physics - Trondheim, Norway
Duration: 11 Jun 201714 Jun 2017
Conference number: 11

Conference

Conference11th Nordic Symposium on Building Physics
Number11
CountryNorway
CityTrondheim
Period11/06/201714/06/2017

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